Red Abalone (Haliotis Rufescens) Has a Ratio of Nitrogen to Phosphorus

question 47

Short Answer

Red abalone (Haliotis rufescens) has a ratio of nitrogen to phosphorus of 45:1. The abalone consumes giant kelp (Macrocystis pyrifera), which has a ratio of nitrogen to phosphorus of 20:1. Would you expect this trophic level to have a high or low ecological efficiency? Why?

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